How to get a certificate profile (.p12 File) for iOS

To get a certificate profile (.p12 File) for iOS , please refer to the following documents.
For Windows - http://www.easypano.com/forum/25/8529.html
For Mac OSX - https://support.magplus.com/hc/en-us/articles/203808748-iOS-Creating-a-Distribution-Certificate-and-p12-File
For further introduction of iOS certification please see Apple's official development documents as below.
https://developer.apple.com/library/content/documentation/IDEs/Conceptual/AppDistributionGuide/MaintainingCertificates/MaintainingCertificates.html#//apple_ref/doc/uid/TP40012582-CH31-SW1